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684A-ZZ-MC3 (2 Pcs)
Single Row Ball Bearings - 4 mm x 9 mm x 4 mm

MBA

Additional resources:
Tolerances
Standard Bearings PDF Catalogue
Shafting
Price:
$7.05 AUD
$7.05 AUD
per 2
Qty: 334 available now (668 pcs)
Order 50 or more (100 pcs) for $6.35 AUD per 2
You may order more than the quantity available. One delivery will be made when all items are ready unless you select for partial delivery at checkout. Backorders for more than the stock quantity are expected before Apr 14, 2025

Base Category: Bearings - Single Row Ball

Top Level Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel

Product Details:

ID (d): 4.000mm
+ 0.000 / - 0.0075

Chrome Steel SAE 52100
  • OD (D): 9.000mm
    + 0.000 / - 0.0075
  • Width (B): 4.000mm
    + 0.000 / - 0.125
  • Precision Grade: Abec 1
  • Closure Type: ZZ
  • Bearing Type: Radial

Brand: MBA
Country of Origin: JP

Alternative Parts Include: 9603, 638-4-Z, 638-4-2Z, 638-4-ZZ, 684-ZZ, 684-2Z, 684A-ZZMC3, 684SS, UL40CHH, 2500-061, 2500-043, W684-ZZ, W684AX50-ZZ, L940-ZZ, HIROBO, WIB, ADR, GRW, ISO, NTN, WTW, GMP, MPB, 684ABASIC

We offer equivalents to many brands including Anderton, Barden, Berg, Designatronics, EZO, ISC, Koyo, Myonic, NMB, Nordex, NSK, Ondrives, Reid Industrial, RMB, SDP-SI, Seeger, SKF, and more.

Used for Brushless Motor Bearings. Brands: E-Flite. Models: Park 480.
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SHIPPING

Shipping Policy

Insurance, Brands & Related Information

PICK UP

Pick up is available from our Coopers Plains warehouse after your order is ready. Please refer to your ready notification email, and bring it with you to collect your parcel.

PDF CATALOGUES

You may freely download the following catalogues to review and compare products. To help you select the most readily available items, rows are colour coded and marked according to the key at the bottom of each page.

Part numbers from these catalogues can be checked in the online store. If they don't appear in the store, please email us for more information about the part.

Ball Lock Pins

Balls

Bearing Material Selection and Benefits

Bearings - Ceramic

Bearings - Corrosion Resistant

Bearings - Economy

Bearings - High Speed

Bearings - Plastic

Bearings - Radial - Master List

Bearings - Standard Range

Bearings - Super Precision

Bearings - Thrust

Bushes - Metallic & Plastic

Bushes - Sintered Bronze

Bushes - Solid Bronze

Circlips

Clevis Pins

Dowel Pins

Hammer Drive Pins

Key Steel

Knobs

Leveling Mounts

O-Rings

Pins

Poly Vee Belts and Pulleys

Push On & Push In Rings

Rod and Tube

Roll Pins

Screws

Shaft Collars

Shim Sheet

Shoulder Screws

Snap Rings

Socket Set Screws

Spring Steel Strip

Springs

Taper Pins

Thumbs Screws and Nuts

Timing Belts

Timing Pulley Stock

Timing Pulleys

Vibration Mounts - Bobbins and Buffers

Washers - Disc Spring

Washers - Precision Shim

Washers - Wave

Washers and Spacers

CROSS REFERENCES

We provide equivalents to many brands including Berg - Designatronics - Nordex - NSK - Oilite - Ondrives - Reid Industrial - SDP-SI - SKF. The following PDF cross references contain hundreds of thousands of part conversions.

ADR and SKF

Anderton Circlips

Barden Bearings

Designatronics SDP-SI

Essentra

Flocast Bronze Bushes

K&S Metals

Miniature Precision Bearings

Miscellaneous Brands

Misumi

NSK and NTN Bearings

Nordex

Ondrives

Reid Supply

SDP-SI

Seeger Circlips

Sintered Bronze

Small Parts Inc

Timing Belts & Pulleys

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If you can't find what you need on our site, another source for Bearings - Single Row Ball may be found in the Miniature Bearings Australia website.